US20180015608A1 - Pocket screwdrivers - Google Patents
Pocket screwdrivers Download PDFInfo
- Publication number
- US20180015608A1 US20180015608A1 US15/210,592 US201615210592A US2018015608A1 US 20180015608 A1 US20180015608 A1 US 20180015608A1 US 201615210592 A US201615210592 A US 201615210592A US 2018015608 A1 US2018015608 A1 US 2018015608A1
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- US
- United States
- Prior art keywords
- screwdriver
- channel
- handle sleeve
- column
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
Links
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 239000007769 metal material Substances 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25G—HANDLES FOR HAND IMPLEMENTS
- B25G1/00—Handle constructions
- B25G1/08—Handle constructions with provision for storing tool elements
- B25G1/085—Handle constructions with provision for storing tool elements for screwdrivers, wrenches or spanners
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B15/00—Screwdrivers
- B25B15/02—Screwdrivers operated by rotating the handle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
- B25B23/02—Arrangements for handling screws or nuts
- B25B23/08—Arrangements for handling screws or nuts for holding or positioning screw or nut prior to or during its rotation
- B25B23/12—Arrangements for handling screws or nuts for holding or positioning screw or nut prior to or during its rotation using magnetic means
Definitions
- the present application relates to a head interchangeable screwdriver, and especially to a pocket screwdriver, which has a compact structure, and is easy to replace screwdriver head and convenient to carry.
- screwdrivers are the most common hand tools used for rotating the screws, if the screws of one configuration shall need a screwdriver of corresponding type, too many types of the screwdrivers are not only inconvenient to use, but also difficult to store.
- head interchangeable screwdrivers available in current market.
- U.S. Pat. No. 7,000,509 B2 discloses a screwdriver with a removable rotary bit receiving cassette.
- the screwdriver with a removable rotary bit receiving cassette includes a body 100 , a cassette member 200 , a shank 300 , a handgrip 400 , a retaining member 500 , and an actuating member 600 .
- the cassette member 200 is insertable through the opening to be rotatably mounted inside the body 100 .
- the shank 300 can move between a shaft hole 130 of the body 100 and a storage chamber 212 of the cassette member 200 .
- the handgrip 400 is connected securely to the shank 30 , and is in an engagement with the body 100 .
- the retaining member 500 is mounted inside the body 100 , and is capable of preventing rearward movement of the shank 300 .
- the actuating member 600 is mounted inside the body 100 , and is capable of timely pushing out the cassette member 200 .
- To rotate the cassette member 200 can interchange different types of screwdriver heads 220 placed therein.
- the screwdriver head 220 of such screwdriver can be received in the cassette member 200 only at the shank 300 moving to the shaft hole 130 of the body 100 .
- FIG. 1B when the screwdriver is in carrying or not in use, the screwdriver head 200 keep in a status of sticking out a front segment 170 of the body 100 only depending on magnetic attraction of the shank 300 . In such manner, the screwdriver is not only inconvenient to carry, but also the screwdriver head 170 probably detaches from the front segment 170 . Therefore, it is still needed to further improve the current head interchangeable screwdriver.
- An aspect of the present application is to provide a pocket screwdriver including: a body, a rotary cassette, a pivot, a handle sleeve and a push rod.
- the body has a foundation, a column and an accommodating chamber interposed between the foundation and the column, wherein the foundation has a screwdriver head channel and a first pivot channel, the column has a push rod channel and a storage groove for storing a screwdriver head.
- the rotary cassette has a plurality of cells for placing screwdriver heads, and a second pivot channel, wherein the second pivot channel communicating the first pivot channel.
- the pivot runs through the first pivot channel and the second pivot channel, to rotatably install the rotary cassette in accommodating chamber, so that each the cell can communicate the screwdriver head channel and the push rod channel.
- the handle sleeve is capable of sliding along a surface of the column, to receive or expose the column.
- the push rod has a tail end and a magnetic head end, wherein the tail end is fixed in the handle sleeve; the magnetic head end sticks out the handle sleeve, and moves in push rod channel with the sliding of the handle sleeve, so as to push the screwdriver head into screwdriver head channel or to attract the screwdriver head into the cell.
- the screwdriver head has a bit and a polygonal shank, a shape of the screwdriver head channel corresponds to a shape of the polygonal shank, so as to prevent the screwdriver head occurs a rotation in the screwdriver head channel.
- the accommodating chamber has opposite a first side wall and a second side wall, and a semi-annular wall respectively connecting to the first side wall and the second side wall; a first through hole communicating the screwdriver head channel and a second through hole communicating the first pivot channel are formed in the first side wall; a third through hole communicating the push rod channel and a blind hole communicating the second pivot channel are formed in the second side wall; the semi-annular wall coordinates a surface profile of the rotary cassette; the semi-annular wall coordinates a surface profile of the rotary cassette; the pivot runs through the first pivot channel, the second through hole and the second pivot channel, and then embeds the blind hole, so as to rotably install the rotary cassette in the accommodating chamber.
- the rotary cassette has a recessed surface formed between two of the cells, a locator for coordinating the recessed surface is installed on the semi-annular wall; upon a rotation of the rotary cassette, the locator can clamp an outer surface of the cell by engaging the recessed surface, so as to allow the cell respectively align the first through hole and the third through hole, and then communicate the screwdriver head channel and the push rod channel.
- a type mark corresponding to the screwdriver head placed in each the cell, is disposed on a surface of the rotary cassette, when the pocket screwdriver is in use, a desired screwdriver head can be selected by sliding the handle sleeve to expose the storage groove, and then rotating the rotary cassette according to the type mark.
- each the cell has an upper opening, an inner wall and a lower opening, the upper opening corresponds to a cross-sectional shape of the screwdriver head channel, the inner wall can prevent a rotation of the screwdriver head, and the lower opening corresponds to a cross-sectional shape of the push rod channel.
- a shape of the upper opening and a cross-sectional shape of the inner wall are polygonal, a shape of the lower opening is circle, and an aperture of the lower opening is less than an aperture of the upper opening.
- a stopper and a slot are disposed on the column, a bump is disposed in the handle sleeve, a recess is formed on the push rod, and a limiter is installed in the slot; upon the handle sleeve sliding to join the accommodating chamber, the bump engages the stopper to fix the handle sleeve; upon the handle sleeve sliding to expose the storage groove, the limiter engages the recess to prevent a separation of the handle sleeve and the column.
- a cross-sectional shape, perpendicular to the sliding direction of the handle sleeve, of the column is a non-circular shape
- the handle sleeve is a hollow cylinder corresponding to a cross-sectional shape, perpendicular to the sliding direction of the handle sleeve, of the column
- the column has reinforcing ribs to prevent the handle sleeve rotating along the surface of the column.
- the pocket screwdriver of the present application further includes a head cover, which is installed on the foundation and joins a side of the accommodating chamber, having a top opening corresponding to the screwdriver head channel.
- a head cover which is installed on the foundation and joins a side of the accommodating chamber, having a top opening corresponding to the screwdriver head channel.
- the plurality of cells of the rotary cassette can place different types of the screwdriver heads, an user can select the type of screwdriver head based on demand;
- a storage groove is disposed in the column of the body, when the pocket screwdriver is not in use, any one of the screwdriver heads placed in the plurality of cells can be stored in the storage groove, so that the handle sleeve can completely receive the column, and then carry the push rod into the cell without the screwdriver head; accordingly, the pocket screwdriver of the present application can maintain its minimum size at a status of not exposing the screwdriver head, thus the objects of compact structure, easy to replace screwdriver head and convenient to carry can be achieved.
- FIGS. 1A and 1B schematically illustrate structures of a conventional head interchangeable screwdriver
- FIG. 2 is a cross-sectional exploded view schematically illustrating a pocket screwdriver according to an embodiment of the present application
- FIGS. 3A, 3B and 3C respectively are a front, top and rear views schematically illustrating the pocket screwdriver shown in FIG. 2 ;
- FIGS. 4A, 4B and 4C respectively are cross-sectional, front and rear views schematically illustrating the rotary cassette of the pocket screwdriver shown in FIG. 2 ;
- FIG. 5 is a front view schematically illustrating the handle sleeve and the push rod of the pocket screwdriver shown in FIG. 2 ;
- FIGS. 6 and 7 respectively are side views schematically illustrating using and carrying statuses of the pocket screwdriver of the present application.
- FIG. 2 is a cross-sectional exploded view schematically illustrating a pocket screwdriver according to an embodiment of the present application.
- a pocket screwdriver 1 includes a body 11 , a rotary cassette 12 , a pivot 13 , a handle sleeve 14 and a push rod 15 .
- the body 11 has a foundation 111 , a column 113 and an accommodating chamber 112 interposed between the foundation 111 and the column 113 , wherein the foundation 111 has a screwdriver head channel 1111 and a first pivot channel 1112 , and the column 113 has a push rod channel 1131 and a storage groovel 132 for storing at least a screwdriver head 19 .
- FIG. 3A is a front view schematically illustrating the pocket screwdriver shown in FIG. 2 .
- each screwdriver head 19 has a bit 191 and a polygonal shank 192 .
- a type of the bit 191 is, for example but not limit to, Slotted, Phillips, Tamper proof, Triangle, Square recess, Hexagon.
- a type of the polygonal shank 192 is, for example but not limit to, Quadrangular, Pentagonal, Hexagonal, etc.
- a shape of the screwdriver head channel 111 corresponds to the Hexagonal shank 192 of screwdriver head 19 , to prevent the screwdriver head 19 rotate in the screwdriver head channel 1111 , when the pocket screwdriver 1 is in use.
- FIG. 3B is a top view schematically illustrating the pocket screwdriver shown in FIG. 2 .
- the accommodating chamber 112 has opposite a first side wall 1121 and a second side wall 1123 , and a semi-annular wall 1122 respectively connecting to the first side wall 1121 and the second side wall 1122 .
- a first through hole 11211 communicating the screwdriver head channel 1111 and a second through hole 11212 communicating the first pivot channel 1112 are formed in the first side wall.
- a third through hole 11213 communicating the push rod channel 1131 and a blind hole 11214 communicating the second pivot channel 122 are formed in the second side wall 123 .
- An inner arc surface of the semi-annular wall 1122 coordinates a surface profile of the rotary cassette 12 .
- FIG. 3C is a rear view schematically illustrating the pocket screwdriver shown in FIG. 2 .
- a cross-sectional shape, perpendicular to the sliding direction of the handle sleeve, of the column is a non-circular shape (e.g. ellipse, polygon, etc.).
- a cross-sectional shape of the column 113 is substantial ellipse
- the handle sleeve 14 is a hollow elliptical cylinder corresponds to the cross-sectional shape of the column 113 .
- a cross-sectional shape, perpendicular to the sliding direction of the push rod 15 , of the push rod channel 1131 is circular.
- FIG. 4A is a cross-sectional view schematically illustrating the rotary cassette of the pocket screwdriver shown in FIG. 2 .
- the rotary cassette 12 has a plurality of cells 121 for placing the screwdriver heads 19 , and a second pivot channel 122 .
- An amount of the cells is, for example but not limit to, 5.
- the second pivot channel 122 communicates the first pivot channel 1112 through the second through hole 11212 .
- the pivot 13 runs through the first pivot channel 1112 , the second through hole 11212 and the second pivot channel 122 , and then embeds the blind hole 11232 , to rotably and interchangeably install the rotary cassette 12 in the accommodating chamber 112 .
- the rotary cassette 12 has a recessed surface 123 formed between two of the cells 121 , and a locator 16 for coordinating the recessed surface 123 is installed on the semi-annular wall 122 .
- the locator 16 can clamp an outer surface of the cell 121 by engaging the recessed surface 123 , so as to allow the cell 121 respectively align the first through hole 11211 and the third through hole 11213 , and then communicate the screwdriver head channel 1111 and the push rod channel 1121 .
- a type mark 124 (e.g. Slotted, Phillips, Tamper proof, etc.), corresponding to the screwdriver head 19 placed in each the cell 121 , is disposed on a surface of the rotary cassette 12 .
- a desired screwdriver head 19 can be selected by sliding the handle sleeve 14 to expose the storage groove 1132 , and then rotating the rotary cassette 12 according to the type mark 124 .
- an undetermined type mark 124 can be disposed thereon, the cell 121 corresponding to the undetermined type mark 124 can be used to place a special type of the screwdriver head 19 (e.g. Quadrangular, Pentagonal, Hexagonal, etc.), so as to increase an application range of the pocket screwdriver 1 .
- FIG. 4B is a front view schematically illustrating the rotary cassette of the pocket screwdriver shown in FIG. 2
- FIG. 4C is a rear view schematically illustrating the rotary cassette of the pocket screwdriver shown in FIG. 2
- each the cell 121 has an upper opening 1211 , an inner wall 1212 and a lower opening 1213 .
- the upper opening 1211 corresponds to a cross-sectional shape of the screwdriver head channel 1111 .
- the inner wall 1212 can prevent a rotation of the screwdriver head 19 .
- the lower opening 1213 corresponds to a cross-sectional shape of the push rod channel 1131 .
- Cross-sectional shapes of the upper opening 1211 and the inner wall 1212 are polygonal (e.g. Hexagonal, but not limit thereto).
- a cross-sectional shape of the lower opening 1213 is, for example but not limit to, circular, and an aperture of the lower opening 1213 is less than an aperture of the upper opening 1211 . Accordingly, the screwdriver head 19 can enter or leave the cell 121 only by the upper opening 1211 .
- FIG. 5 is a front view schematically illustrating the handle sleeve and the push rod of the pocket screwdriver shown in FIG. 2 .
- the handle sleeve 14 can slide along the surface of the column 131 , then receive or expose the column 131 .
- the push rod 15 has a tail end 151 and a magnetic head end 152 , wherein the tail end 151 is fixed in the handle sleeve 14 ; the magnetic head end 152 sticks out the handle sleeve 14 , and moves in push rod channel 1111 with the sliding of the handle sleeve 14 , so as to push the screwdriver head 19 of metal material into a working position at the screwdriver head channel 1111 , or to attract the screwdriver head 19 of metal material into a placing position at the cell 121 .
- a stopper 1133 and a slot 1134 are disposed on the column 113 .
- a bump 141 is disposed in the handle sleeve 14 .
- a recess 153 is formed on the push rod 15 .
- a limiter 17 is installed in the slot 134 .
- the handle sleeve 14 is a hollow non-circular cylinder (e.g. hollow elliptical cylinder) corresponding to a cross-sectional shape (perpendicular to the sliding direction of the handle sleeve 14 ) of the column 113 , and the column has reinforcing ribs 1135 , to prevent that the pocket screwdriver 1 cannot work due to the handle sleeve 14 rotating along the surface of the column 113 .
- FIGS. 6 and 7 respectively are side views schematically illustrating using and carrying statuses of the pocket screwdriver of the present application.
- the pocket screwdriver 1 further includes a head cover 18 , which is installed on the foundation 111 and joins the first side wall 1121 of the accommodating chamber 112 .
- the head cover 18 has a top opening 181 corresponding to the screwdriver head channel 1111 , and the screwdriver head 19 can run through the top opening 181 .
- a user can store any one of the screwdriver heads 19 placed in the plurality of cells 121 (e.g. the cell 121 of undetermined type mark) in the storage groove 1132 .
- the handle sleeve 14 When the handle sleeve 14 completely receive the column 113 and joins the second side wall 1123 of the accommodating chamber 112 , then carry the magnetic head end 152 of the push rod 15 into the cell 121 without the screwdriver head 19 , the head cover 18 , the accommodating chamber 112 , the rotary cassette 12 and the handle sleeve 14 constitutes a flush surface; for example, a configuration of the pocket screwdriver 1 is an elliptical cylinder. Accordingly, the pocket screwdriver 1 of the present application can maintain its minimum size at a status of not exposing the screwdriver head 19 , thus the object of convenient to carry can be achieved.
- the plurality of cells of the rotary cassette can place different types of the screwdriver heads, an user can select the type of screwdriver head based on demand;
- a storage groove is disposed in the column of the body, when the pocket screwdriver is not in use, any one of the screwdriver heads placed in the plurality of cells can be stored in the storage groove, so that the handle sleeve can completely receive the column, and then carry the push rod into the cell without the screwdriver head; accordingly, the pocket screwdriver of the present application can maintain its minimum size at a status of not exposing the screwdriver head, thus the objects of compact structure, easy to replace screwdriver head and convenient to carry can be achieved.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
A pocket screwdriver includes a body, a rotary cassette, a pivot, a handle sleeve and a push rod. The body has a foundation, an accommodating chamber and a column, wherein the column has a storage groove for storing a screwdriver head. The rotary cassette is rotably installed in the accommodating chamber by the pivot, and has a plurality of cells for placing the screwdriver head. The handle sleeve can slide along a surface of the column to receive or expose the column. The push rod, fixed in the handle, is used for pushing or attracting the screwdriver head. When the pocket screwdriver is not in use, any one of the screwdriver heads placed in the plurality of cells can be stored in the storage groove, so that the handle sleeve can carry the push rod into the cell without the screwdriver head.
Description
- The present application relates to a head interchangeable screwdriver, and especially to a pocket screwdriver, which has a compact structure, and is easy to replace screwdriver head and convenient to carry.
- There are many screws of various configurations installed in living environment and daily necessities, and screwdrivers are the most common hand tools used for rotating the screws, if the screws of one configuration shall need a screwdriver of corresponding type, too many types of the screwdrivers are not only inconvenient to use, but also difficult to store. In order to reduce the amount of the commonly used screwdrivers, there is a variety of head interchangeable screwdrivers available in current market.
- U.S. Pat. No. 7,000,509 B2 discloses a screwdriver with a removable rotary bit receiving cassette. As shown in
FIG. 1A , the screwdriver with a removable rotary bit receiving cassette includes abody 100, acassette member 200, ashank 300, ahandgrip 400, aretaining member 500, and an actuatingmember 600. Thecassette member 200 is insertable through the opening to be rotatably mounted inside the body100. Theshank 300 can move between ashaft hole 130 of thebody 100 and astorage chamber 212 of thecassette member 200. Thehandgrip 400 is connected securely to the shank 30, and is in an engagement with thebody 100. The retainingmember 500 is mounted inside thebody 100, and is capable of preventing rearward movement of theshank 300. The actuatingmember 600 is mounted inside thebody 100, and is capable of timely pushing out thecassette member 200. To rotate thecassette member 200 can interchange different types ofscrewdriver heads 220 placed therein. - Although the screwdriver as shown in
FIG. 1A can meet the purpose of interchanging head, thescrewdriver head 220 of such screwdriver can be received in thecassette member 200 only at theshank 300 moving to theshaft hole 130 of thebody 100. As shown inFIG. 1B , when the screwdriver is in carrying or not in use, thescrewdriver head 200 keep in a status of sticking out afront segment 170 of thebody 100 only depending on magnetic attraction of theshank 300. In such manner, the screwdriver is not only inconvenient to carry, but also thescrewdriver head 170 probably detaches from thefront segment 170. Therefore, it is still needed to further improve the current head interchangeable screwdriver. - An aspect of the present application is to provide a pocket screwdriver including: a body, a rotary cassette, a pivot, a handle sleeve and a push rod. The body has a foundation, a column and an accommodating chamber interposed between the foundation and the column, wherein the foundation has a screwdriver head channel and a first pivot channel, the column has a push rod channel and a storage groove for storing a screwdriver head. The rotary cassette has a plurality of cells for placing screwdriver heads, and a second pivot channel, wherein the second pivot channel communicating the first pivot channel. The pivot runs through the first pivot channel and the second pivot channel, to rotatably install the rotary cassette in accommodating chamber, so that each the cell can communicate the screwdriver head channel and the push rod channel. The handle sleeve is capable of sliding along a surface of the column, to receive or expose the column. The push rod has a tail end and a magnetic head end, wherein the tail end is fixed in the handle sleeve; the magnetic head end sticks out the handle sleeve, and moves in push rod channel with the sliding of the handle sleeve, so as to push the screwdriver head into screwdriver head channel or to attract the screwdriver head into the cell.
- In an embodiment, the screwdriver head has a bit and a polygonal shank, a shape of the screwdriver head channel corresponds to a shape of the polygonal shank, so as to prevent the screwdriver head occurs a rotation in the screwdriver head channel.
- In an embodiment, the accommodating chamber has opposite a first side wall and a second side wall, and a semi-annular wall respectively connecting to the first side wall and the second side wall; a first through hole communicating the screwdriver head channel and a second through hole communicating the first pivot channel are formed in the first side wall; a third through hole communicating the push rod channel and a blind hole communicating the second pivot channel are formed in the second side wall; the semi-annular wall coordinates a surface profile of the rotary cassette; the semi-annular wall coordinates a surface profile of the rotary cassette; the pivot runs through the first pivot channel, the second through hole and the second pivot channel, and then embeds the blind hole, so as to rotably install the rotary cassette in the accommodating chamber.
- In an embodiment, the rotary cassette has a recessed surface formed between two of the cells, a locator for coordinating the recessed surface is installed on the semi-annular wall; upon a rotation of the rotary cassette, the locator can clamp an outer surface of the cell by engaging the recessed surface, so as to allow the cell respectively align the first through hole and the third through hole, and then communicate the screwdriver head channel and the push rod channel.
- In an embodiment, a type mark, corresponding to the screwdriver head placed in each the cell, is disposed on a surface of the rotary cassette, when the pocket screwdriver is in use, a desired screwdriver head can be selected by sliding the handle sleeve to expose the storage groove, and then rotating the rotary cassette according to the type mark.
- In an embodiment, each the cell has an upper opening, an inner wall and a lower opening, the upper opening corresponds to a cross-sectional shape of the screwdriver head channel, the inner wall can prevent a rotation of the screwdriver head, and the lower opening corresponds to a cross-sectional shape of the push rod channel.
- In an embodiment, a shape of the upper opening and a cross-sectional shape of the inner wall are polygonal, a shape of the lower opening is circle, and an aperture of the lower opening is less than an aperture of the upper opening.
- In an embodiment, a stopper and a slot are disposed on the column, a bump is disposed in the handle sleeve, a recess is formed on the push rod, and a limiter is installed in the slot; upon the handle sleeve sliding to join the accommodating chamber, the bump engages the stopper to fix the handle sleeve; upon the handle sleeve sliding to expose the storage groove, the limiter engages the recess to prevent a separation of the handle sleeve and the column.
- In an embodiment, a cross-sectional shape, perpendicular to the sliding direction of the handle sleeve, of the column is a non-circular shape, the handle sleeve is a hollow cylinder corresponding to a cross-sectional shape, perpendicular to the sliding direction of the handle sleeve, of the column, and the column has reinforcing ribs to prevent the handle sleeve rotating along the surface of the column.
- In an embodiment, the pocket screwdriver of the present application further includes a head cover, which is installed on the foundation and joins a side of the accommodating chamber, having a top opening corresponding to the screwdriver head channel. When the handle sleeve completely receive the column and joins another side of the accommodating chamber, the head cover, the accommodating chamber, the rotary cassette and the handle sleeve constitutes a flush surface.
- In the pocket screwdriver of the present application, the plurality of cells of the rotary cassette can place different types of the screwdriver heads, an user can select the type of screwdriver head based on demand; a storage groove is disposed in the column of the body, when the pocket screwdriver is not in use, any one of the screwdriver heads placed in the plurality of cells can be stored in the storage groove, so that the handle sleeve can completely receive the column, and then carry the push rod into the cell without the screwdriver head; accordingly, the pocket screwdriver of the present application can maintain its minimum size at a status of not exposing the screwdriver head, thus the objects of compact structure, easy to replace screwdriver head and convenient to carry can be achieved.
- The present application can be understood in more detail by reading the subsequent detailed description in conjunction with the examples and references made to the accompanying drawings, in which:
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FIGS. 1A and 1B schematically illustrate structures of a conventional head interchangeable screwdriver; -
FIG. 2 is a cross-sectional exploded view schematically illustrating a pocket screwdriver according to an embodiment of the present application; -
FIGS. 3A, 3B and 3C respectively are a front, top and rear views schematically illustrating the pocket screwdriver shown inFIG. 2 ; -
FIGS. 4A, 4B and 4C respectively are cross-sectional, front and rear views schematically illustrating the rotary cassette of the pocket screwdriver shown inFIG. 2 ; -
FIG. 5 is a front view schematically illustrating the handle sleeve and the push rod of the pocket screwdriver shown inFIG. 2 ; and -
FIGS. 6 and 7 respectively are side views schematically illustrating using and carrying statuses of the pocket screwdriver of the present application. - The present application may be embodied in various forms and the details of the preferred embodiments of the present application will be described in the subsequent content with reference to the accompanying drawings. The drawings (not to scale) show and depict only the preferred embodiments of the invention and shall not be considered as limitations to the scope of the present application. Modifications of the shape of the present application shall be considered to be within the spirit of the present application.
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FIG. 2 is a cross-sectional exploded view schematically illustrating a pocket screwdriver according to an embodiment of the present application. As shown inFIG. 2 , in this embodiment, apocket screwdriver 1 includes abody 11, arotary cassette 12, apivot 13, ahandle sleeve 14 and apush rod 15. Thebody 11 has afoundation 111, acolumn 113 and anaccommodating chamber 112 interposed between thefoundation 111 and thecolumn 113, wherein thefoundation 111 has ascrewdriver head channel 1111 and afirst pivot channel 1112, and thecolumn 113 has apush rod channel 1131 and a storage groovel 132 for storing at least ascrewdriver head 19. -
FIG. 3A is a front view schematically illustrating the pocket screwdriver shown inFIG. 2 . As shown inFIGS. 2 and 3A , eachscrewdriver head 19 has abit 191 and apolygonal shank 192. A type of thebit 191 is, for example but not limit to, Slotted, Phillips, Tamper proof, Triangle, Square recess, Hexagon. A type of thepolygonal shank 192 is, for example but not limit to, Quadrangular, Pentagonal, Hexagonal, etc. In this embodiment, a shape of thescrewdriver head channel 111 corresponds to theHexagonal shank 192 ofscrewdriver head 19, to prevent thescrewdriver head 19 rotate in thescrewdriver head channel 1111, when thepocket screwdriver 1 is in use. -
FIG. 3B is a top view schematically illustrating the pocket screwdriver shown inFIG. 2 . As shown inFIGS. 2 and 3B , theaccommodating chamber 112 has opposite afirst side wall 1121 and asecond side wall 1123, and asemi-annular wall 1122 respectively connecting to thefirst side wall 1121 and thesecond side wall 1122. A first throughhole 11211 communicating thescrewdriver head channel 1111 and a second throughhole 11212 communicating thefirst pivot channel 1112 are formed in the first side wall. A third through hole 11213 communicating thepush rod channel 1131 and a blind hole 11214 communicating thesecond pivot channel 122 are formed in thesecond side wall 123. An inner arc surface of thesemi-annular wall 1122 coordinates a surface profile of therotary cassette 12. -
FIG. 3C is a rear view schematically illustrating the pocket screwdriver shown inFIG. 2 . As shown inFIGS. 2 and 3C , a cross-sectional shape, perpendicular to the sliding direction of the handle sleeve, of the column is a non-circular shape (e.g. ellipse, polygon, etc.). In this embodiment, a cross-sectional shape of thecolumn 113 is substantial ellipse, and thehandle sleeve 14 is a hollow elliptical cylinder corresponds to the cross-sectional shape of thecolumn 113. A cross-sectional shape, perpendicular to the sliding direction of thepush rod 15, of thepush rod channel 1131 is circular. -
FIG. 4A is a cross-sectional view schematically illustrating the rotary cassette of the pocket screwdriver shown inFIG. 2 . As shown inFIGS. 2 and 4A , therotary cassette 12 has a plurality ofcells 121 for placing the screwdriver heads 19, and asecond pivot channel 122. An amount of the cells is, for example but not limit to, 5. Thesecond pivot channel 122 communicates thefirst pivot channel 1112 through the second throughhole 11212. After therotary cassette 12 is placed in theaccommodating chamber 112, thepivot 13 runs through thefirst pivot channel 1112, the second throughhole 11212 and thesecond pivot channel 122, and then embeds theblind hole 11232, to rotably and interchangeably install therotary cassette 12 in theaccommodating chamber 112. - The
rotary cassette 12 has a recessedsurface 123 formed between two of thecells 121, and alocator 16 for coordinating the recessedsurface 123 is installed on thesemi-annular wall 122. Upon a rotation of therotary cassette 12, thelocator 16 can clamp an outer surface of thecell 121 by engaging the recessedsurface 123, so as to allow thecell 121 respectively align the first throughhole 11211 and the third through hole 11213, and then communicate thescrewdriver head channel 1111 and thepush rod channel 1121. - In order to facilitate a selection of the type of the
screwdriver head 19, a type mark 124 (e.g. Slotted, Phillips, Tamper proof, etc.), corresponding to thescrewdriver head 19 placed in each thecell 121, is disposed on a surface of therotary cassette 12. When thepocket screwdriver 1 is in use, a desiredscrewdriver head 19 can be selected by sliding thehandle sleeve 14 to expose thestorage groove 1132, and then rotating therotary cassette 12 according to thetype mark 124. It is worthy to mentioned that anundetermined type mark 124 can be disposed thereon, thecell 121 corresponding to theundetermined type mark 124 can be used to place a special type of the screwdriver head 19 (e.g. Quadrangular, Pentagonal, Hexagonal, etc.), so as to increase an application range of thepocket screwdriver 1. -
FIG. 4B is a front view schematically illustrating the rotary cassette of the pocket screwdriver shown inFIG. 2 ,FIG. 4C is a rear view schematically illustrating the rotary cassette of the pocket screwdriver shown inFIG. 2 . As shown inFIGS. 4B and 4C , each thecell 121 has anupper opening 1211, aninner wall 1212 and alower opening 1213. Theupper opening 1211 corresponds to a cross-sectional shape of thescrewdriver head channel 1111. Theinner wall 1212 can prevent a rotation of thescrewdriver head 19. Thelower opening 1213 corresponds to a cross-sectional shape of thepush rod channel 1131. Cross-sectional shapes of theupper opening 1211 and theinner wall 1212 are polygonal (e.g. Hexagonal, but not limit thereto). A cross-sectional shape of thelower opening 1213 is, for example but not limit to, circular, and an aperture of thelower opening 1213 is less than an aperture of theupper opening 1211. Accordingly, thescrewdriver head 19 can enter or leave thecell 121 only by theupper opening 1211. -
FIG. 5 is a front view schematically illustrating the handle sleeve and the push rod of the pocket screwdriver shown inFIG. 2 . As shown inFIGS. 2 and 5 , thehandle sleeve 14 can slide along the surface of the column 131, then receive or expose the column 131. Thepush rod 15 has atail end 151 and amagnetic head end 152, wherein thetail end 151 is fixed in thehandle sleeve 14; themagnetic head end 152 sticks out thehandle sleeve 14, and moves inpush rod channel 1111 with the sliding of thehandle sleeve 14, so as to push thescrewdriver head 19 of metal material into a working position at thescrewdriver head channel 1111, or to attract thescrewdriver head 19 of metal material into a placing position at thecell 121. - A
stopper 1133 and aslot 1134 are disposed on thecolumn 113. Abump 141 is disposed in thehandle sleeve 14. Arecess 153 is formed on the push rod15. Alimiter 17 is installed in the slot134. Upon thehandle sleeve 14 sliding to completely receive thecolumn 113 and join theaccommodating chamber 112, thebump 141 engages thestopper 1133 to fix thehandle sleeve 14; upon thehandle sleeve 14 sliding to expose thestorage groove 1132, thelimiter 17 engages therecess 153 to prevent a separation of thehandle sleeve 14 and thecolumn 113. - The
handle sleeve 14 is a hollow non-circular cylinder (e.g. hollow elliptical cylinder) corresponding to a cross-sectional shape (perpendicular to the sliding direction of the handle sleeve 14) of thecolumn 113, and the column has reinforcingribs 1135, to prevent that thepocket screwdriver 1 cannot work due to thehandle sleeve 14 rotating along the surface of thecolumn 113. -
FIGS. 6 and 7 respectively are side views schematically illustrating using and carrying statuses of the pocket screwdriver of the present application. As shown inFIGS. 2 and 6 , thepocket screwdriver 1 further includes ahead cover 18, which is installed on thefoundation 111 and joins thefirst side wall 1121 of theaccommodating chamber 112. Thehead cover 18 has atop opening 181 corresponding to thescrewdriver head channel 1111, and thescrewdriver head 19 can run through thetop opening 181. As shown inFIGS. 2 and 7 , when thepocket screwdriver 1 is not in use, a user can store any one of the screwdriver heads 19 placed in the plurality of cells 121 (e.g. thecell 121 of undetermined type mark) in thestorage groove 1132. When thehandle sleeve 14 completely receive thecolumn 113 and joins thesecond side wall 1123 of theaccommodating chamber 112, then carry themagnetic head end 152 of thepush rod 15 into thecell 121 without thescrewdriver head 19, thehead cover 18, theaccommodating chamber 112, therotary cassette 12 and thehandle sleeve 14 constitutes a flush surface; for example, a configuration of thepocket screwdriver 1 is an elliptical cylinder. Accordingly, thepocket screwdriver 1 of the present application can maintain its minimum size at a status of not exposing thescrewdriver head 19, thus the object of convenient to carry can be achieved. - In summary, in the pocket screwdriver of the present application, the plurality of cells of the rotary cassette can place different types of the screwdriver heads, an user can select the type of screwdriver head based on demand; a storage groove is disposed in the column of the body, when the pocket screwdriver is not in use, any one of the screwdriver heads placed in the plurality of cells can be stored in the storage groove, so that the handle sleeve can completely receive the column, and then carry the push rod into the cell without the screwdriver head; accordingly, the pocket screwdriver of the present application can maintain its minimum size at a status of not exposing the screwdriver head, thus the objects of compact structure, easy to replace screwdriver head and convenient to carry can be achieved.
- Although the present application has been described with reference to the preferred embodiments, it will be understood that the invention is not limited to the details described thereof. Various substitutions and modifications have been suggested in the foregoing description, and others will occur to those of ordinary skill in the art. Therefore, all such substitutions and modifications are intended to be embraced within the scope of the invention as defined in the appended claims.
Claims (10)
1. A pocket screwdriver, comprising:
a body, having a foundation, a column and an accommodating chamber interposed between the foundation and the column, wherein the foundation has a screwdriver head channel and a first pivot channel, the column has a push rod channel and a storage groove for storing a screwdriver head;
a rotary cassette, having a plurality of cells for placing screwdriver heads, and a second pivot channel, wherein the second pivot channel communicating the first pivot channel;
a pivot, running through the first pivot channel and the second pivot channel, to rotatably install the rotary cassette in accommodating chamber, so that each the cell can communicate the screwdriver head channel and the push rod channel;
a handle sleeve, capable of sliding along a surface of the column, to receive or expose the column; and
a push rod, having a tail end and a magnetic head end, wherein the tail end is fixed in the handle sleeve; the magnetic head end sticks out the handle sleeve, and moves in push rod channel with the sliding of the handle sleeve, so as to push the screwdriver head into screwdriver head channel or to attract the screwdriver head into the cell;
when the pocket screwdriver is not in use, any one of the screwdriver heads placed in the plurality of cells can be stored in the storage groove, so that the handle sleeve can completely receive the column, and then carry the push rod into the cell without the screwdriver head.
2. The pocket screwdriver according to claim 1 , wherein the screwdriver head has a bit and a polygonal shank, a shape of the screwdriver head channel corresponds to a shape of the polygonal shank, so as to prevent the screwdriver head occurs a rotation in the screwdriver head channel.
3. The pocket screwdriver according to claim 1 , wherein the accommodating chamber has opposite a first side wall and a second side wall, and a semi-annular wall respectively connecting to the first side wall and the second side wall; a first through hole communicating the screwdriver head channel and a second through hole communicating the first pivot channel are formed in the first side wall; a third through hole communicating the push rod channel and a blind hole communicating the second pivot channel are formed in the second side wall; the semi-annular wall coordinates a surface profile of the rotary cassette; the pivot runs through the first pivot channel, the second through hole and the second pivot channel, and then embeds the blind hole, so as to rotably install the rotary cassette in the accommodating chamber.
4. The pocket screwdriver according to claim 3 , wherein the rotary cassette has a recessed surface formed between two of the cells, a locator for coordinating the recessed surface is installed on the semi-annular wall; upon a rotation of the rotary cassette, the locator can clamp an outer surface of the cell by engaging the recessed surface, so as to allow the cell respectively align the first through hole and the third through hole, and then communicate the screwdriver head channel and the push rod channel.
5. The pocket screwdriver according to claim 1 , wherein a type mark, corresponding to the screwdriver head placed in each the cell, is disposed on a surface of the rotary cassette, when the pocket screwdriver is in use, a desired screwdriver head can be selected by sliding the handle sleeve to expose the storage groove, and then rotating the rotary cassette according to the type mark.
6. The pocket screwdriver according to claim 1 , wherein each the cell has an upper opening, an inner wall and a lower opening, the upper opening corresponds to a cross-sectional shape of the screwdriver head channel, the inner wall can prevent a rotation of the screwdriver head, and the lower opening corresponds to a cross-sectional shape of the push rod channel.
7. The pocket screwdriver according to claim 6 , wherein a shape of the upper opening and a cross-sectional shape of the inner wall are polygonal, a shape of the lower opening is circle, and an aperture of the lower opening is less than an aperture of the upper opening.
8. The pocket screwdriver according to claim 1 , wherein a stopper and a slot are disposed on the column, a bump is disposed in the handle sleeve, a recess is formed on the push rod, and a limiter is installed in the slot; upon the handle sleeve sliding to join the accommodating chamber, the bump engages the stopper to fix the handle sleeve; upon the handle sleeve sliding to expose the storage groove, the limiter engages the recess to prevent a separation of the handle sleeve and the column.
9. The pocket screwdriver according to claim 8 , wherein a cross-sectional shape, perpendicular to the sliding direction of the handle sleeve, of the column is a non-circular shape, the handle sleeve is a hollow cylinder corresponding to a cross-sectional shape, perpendicular to the sliding direction of the handle sleeve, of the column, and the column has reinforcing ribs to prevent the handle sleeve rotating along the surface of the column.
10. The pocket screwdriver according to claim 8 , further comprising: a head cover, installed on the foundation and joining a side of the accommodating chamber, and having a top opening corresponding to the screwdriver head channel; when the handle sleeve completely receive the column and joins another side of the accommodating chamber, the head cover, the accommodating chamber, the rotary cassette and the handle sleeve constitutes a flush surface.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US15/210,592 US20180015608A1 (en) | 2016-07-14 | 2016-07-14 | Pocket screwdrivers |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US15/210,592 US20180015608A1 (en) | 2016-07-14 | 2016-07-14 | Pocket screwdrivers |
Publications (1)
Publication Number | Publication Date |
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US20180015608A1 true US20180015608A1 (en) | 2018-01-18 |
Family
ID=60942372
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US15/210,592 Abandoned US20180015608A1 (en) | 2016-07-14 | 2016-07-14 | Pocket screwdrivers |
Country Status (1)
Country | Link |
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US (1) | US20180015608A1 (en) |
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CN111557759A (en) * | 2020-04-15 | 2020-08-21 | 河北北方学院 | Multipurpose tool easy for veterinarian to dissect and use |
CN113103172A (en) * | 2021-04-26 | 2021-07-13 | 宁波佰特工具有限公司 | Multifunctional screwdriver |
US20210354281A1 (en) * | 2020-05-12 | 2021-11-18 | Simon Kao | Container |
CN113752202A (en) * | 2020-08-26 | 2021-12-07 | 张凤英 | Eccentric screwdriver with built-in ejector rod positioning screwdriver head |
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US20160214239A1 (en) * | 2015-01-22 | 2016-07-28 | Zheng-Cong Jiang | Screwdriver with rotary unit for changing bits |
US9427861B2 (en) * | 2013-02-28 | 2016-08-30 | Sicom Industries Ltd. | Bit tool having a bit storage member, light assembly for a bit tool and bit tool having a ratcheting handle assembly |
US20160311092A1 (en) * | 2015-04-21 | 2016-10-27 | Wheelfloat, Inc. | Locking Mechanism |
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US6601483B2 (en) * | 2001-04-19 | 2003-08-05 | Futureworks Concepts Ltd. | Automatic bit changing screwdriver |
US7565852B2 (en) * | 2007-02-12 | 2009-07-28 | Hong-Chow Yu | Screwdriver with rotary cartridge including replaceable bits therein |
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CN111557759A (en) * | 2020-04-15 | 2020-08-21 | 河北北方学院 | Multipurpose tool easy for veterinarian to dissect and use |
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US11541527B2 (en) * | 2020-05-12 | 2023-01-03 | Simon Kao | Container |
CN113752202A (en) * | 2020-08-26 | 2021-12-07 | 张凤英 | Eccentric screwdriver with built-in ejector rod positioning screwdriver head |
CN113103172A (en) * | 2021-04-26 | 2021-07-13 | 宁波佰特工具有限公司 | Multifunctional screwdriver |
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